Pipe-line for hydraulic dredges.



No. 772,330. PATENTBD'OGT. is, 1904. 4 L. w. BATES.

PIPE LINE FOR HYDRAULIC DREDGES.

' APPLICATION FILED 21:12.3, 190a.

no MODEL. H 2 SHEETS-BEBET-l.

' SQWMTM: v MWMNQ 1 sgm wm Q Q PATENTED 00 18, 1904. L. w.

' PIPE LINE FOR HYDRAULIC DREDGES.

N0 MODEL- APPLICATION rum) Hum, 1903.

UNITED STATES Patented October 18, 1904.

LINDON WALLACE BATES, OF NFWV YORK, N. Y.

PIPE-LINE FOR HYDRAULIC DREDGES.

QPEGIFICATION forming part of Letters Patent No. 772,330, dated October 18, 1904.

Application filed February 3, 1903. Serial No. 141,743. (No model.)

To all whom it may concern:

Be it known that I, LINDON WALLAcE BATES, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Pipe-Lines for Hydraulic Dredges, of which the following is a specification.

My present invention pertains to improvements in pipe-lines for hydraulic dredges, the construction and advantages of which will be hereinafter set forth, reference being had to the annexed drawings, wher'ein Figure 1 is a top plan view showing two pontoons with my invention for limiting the deflection of the pipe-joint between the pontoons applied thereto; Fig. 2, a similar view showing the operation of the apparatus, and Figs. 3 and 4 similar views showing a modification of the invention.

The object of my invention is to provide means for limiting the deflection between adjacent pontoons, or, in other words, limiting the swinging movement of one pontoon relatively to the other, so'as to relieve the pipejoints from undue strain. Many devices may be employed for accomplishing this object as, for instance, a connection between the two pontoons independent of the pipe-line, which will permit a maximum deflection of the pipeline, yet arrest the motion just prior to that point which would place undue strain upon the joint.

Referring firstto Figs. 1 and 2, A A represent two adjacent pontoons, which may be of any approved type, bowl-shaped pontoons being illustrated in the accompanying draw ings. As shown, each pontoon carries a pipesection B, said sections being connected to each other by a flexible or yielding joint C, which permits one pontoon to move or swing relatively to the other. Unless means is provided for limiting the deflection of one pontoon relatively to the other these pipe-joints are subjected to severe strain and breakage. In Figs. 1 and 2 I have shown a pair of rods D, pivotally connected to one pontoon, as at E, the opposite end of each rod being'passed through a swiveled standard or eye F, carried by the opposite pontoon. A collar or sleeve G is mounted upon each of the rods D and is adjusted so that when the pipe-line is deflected or the pontoons move into the position shown in Fig. 2 one of said collars or sleeves will come into contact with the swiveled standard F and arrest any further swinging movement of the pontoons one relatively to the other. A reverse movement to the limit of maximum deflection would cause the other rod to come into action. Thus it will be seen with proper adjustment of collars G the pipejoints will be relieved of such strain as would tend to break the parts or displace them suf- -ficien tly to render the pipe-line inoperative.

The figures referred to merely show the apparatus in outline, and it will of course be understood that the rods will be in a plane higher than the plane of the pipe-sections, so that when the pipes swing into the position shown in Fig. 2 the rod will clear the pipe and joint.

In Figs. 3 and 4: a modification of the invention is shown wherein two floating beams H H are attached to the pontoons by chains connected to the beams and pontoons in any suitable manner. These beams may be of timher, 'or they may be formed of steel pipe, and l the chains are of such length as to become taut and check further deflection of the pipesections when the pontoons assume the position illustrated in Fig. 4, which shows them with their central lines at the maximum angle of deflection. In said figure it will be noted that the attaching-chains I of the beam H are taut, and any further movement of the pontoons in that direction is prevented.

The rods shown in Figs. 1 and 2 and the beams may be termed spacing members.

As above noted, the invention is not to be restricted to any of the forms shown, as they are merely illustrative of the broad or underlying principle involved.

Having thus described my invention, what I claim is- 1. In combination with a series of pontoons, a pipe-section carried by each pontoon; a flexible joint between the adjacent ends of said pipe-sections; a pair of rods arranged upon opposite sides of the pipe-sections and pivotally connected to the pontoons; and means for limiting the movement of said rods relatively to the pontoons. I

2. In combination with a pair of pontoons, a pipe-section carried by each pontoon; a flexible joint between the adjacent ends of said pipe-sections; and a pair of rigid spacing members, one on each side of the pipe-line, said members being flexibly connected to the pontoons in such manner as to allow the pontoons to swing a limited distance, substantially as described.

3. In combination with a series of pontoons,

pipe-sections; a pair of reds arranged upon opposite sides of the pipe-sections, each rod being pivotally connected at one end to one of the pontoons; standards swiveled upon the opposite pontoon and through which said rods are passed; and adjustable collars mounted upon the rods.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

LINDON WALLACE BATES.

Witnesses:

CHAS. B. JAooBs, CHARLES S. BRADLEY. 

